PCF8548 datasheet(2/40 Pages) PHILIPS

2 / 40 page

1999 Aug 16

Philips Semiconductors

Product speciﬁcation

× 102 pixels matrix LCD driver

PCF8548

CONTENTS

FEATURES

APPLICATIONS

GENERAL DESCRIPTION

3.1

Packages

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

PIN FUNCTIONS

7.1

R0 to R64: row driver outputs

7.2

C0 to C101: column driver outputs

7.3

VSS1 and VSS2: negative power supply rails

7.4

VDD1 to VDD3: positive power supply rails

7.5

VLCDIN: LCD power supply

7.6

VLCDOUT: LCD power supply

7.7

VLCDSENSE: voltage multiplier regulation input

(VLCD)

7.8

T1 to T12: test pads

7.9

SDAIN and SDAOUT: I2C-bus data lines

7.10

SCL: I2C-bus clock signal

7.11

SA0: slave address

7.12

OSC: oscillator

7.13

RES: reset

BLOCK DIAGRAM FUNCTIONS

8.1

Oscillator

8.2

I2C-bus interface

8.3

Display control logic

8.4

Display Data RAM (DDRAM)

8.5

Timing generator

8.6

LCD row and column drivers

INITIALIZATION

ADDRESSING

10.1

Display data RAM structure

10.2

RAM access

I2C-BUS INTERFACE

11.1

Characteristics of the I2C-bus

11.1.1

Bit transfer

11.1.2

START and STOP conditions

11.1.3

System configuration

11.1.4

Acknowledge

11.2

I2C-bus protocol

INSTRUCTIONS

12.1

External reset (RES)

12.2

Function set

12.2.1

Power-Down (PD)

12.2.2

12.2.3

12.2.4

12.2.5

12.3

Display control

12.3.1

D and E

12.4

Display configuration

12.4.1

TRS

12.4.2

BRS

12.5

Set Y address of RAM

12.6

Set X address of RAM

12.7

Set HV generator stages

12.7.1

S[1:0]

12.8

Temperature control

12.9

Bias system

12.10

Set VOP value

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

AC CHARACTERISTICS

RESET

APPLICATION INFORMATION

CHIP INFORMATION

PAD INFORMATION

DEVICE PROTECTION DIAGRAM

TRAY INFORMATION

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

BARE DIE DISCLAIMER

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